Audi RS6 Avant gets power hike from ABT Sportsline
ABT Sportsline gets yet again in our attention with their new performance kit for the Audi RS6 Avant. The stock 4.0-liter twin-turbo engine on the RS6 Avant is capable to deliver 560 horsepower and 700Nm of torque. Thanks to a series of modifications such as a revised ECU unit and a sports exhaust system, the total output is increased to...